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Parse config files, environment, and command-line arguments, to get a single collection of options

...t(init_dict['section'],dest) except (ConfigParser.NoSectionError, ConfigParser.NoOptionError): # Nope, not in config file try: # get from environment obj = os.environ[dest.upper()] except KeyError: ...
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Find current directory and file's directory [duplicate]

... It gets an error NameError: name '__file__' is not defined. How to solve this? – Mohammad ElNesr Sep 26 '16 at 13:15 ...
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Ruby on Rails: How can I revert a migration with rake db:migrate?

... I'm getting an UnknownMigrationVersionError but I figured out it's because my migrations are inside db/migrate/main , does anybody know a workaround for this to have db:migrate:down look inside that specific directory or the migrate subdirectories? ...
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Implementing IDisposable correctly

...uld have any unmanaged resources to be freed you should include Finalizer calling Dispose(false), that will allow GC to call Finalizer when doing garbage collection (in case Dispose was not called yet) and properly free unmanaged resources. – mariozski May 17 '...
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In practice, what are the main uses for the new “yield from” syntax in Python 3.3?

...or v in g: yield v does not even begin to do justice to what yield from is all about. Because, let's face it, if all yield from does is expand the for loop, then it does not warrant adding yield from to the language and preclude a whole bunch of new features from being implemented in Python 2.x. Wh...
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Creating a singleton in Python

... @PaulKenjora You must have an error in your code. If you define a global variable in a module, when you access it from another module it should have the value. – warvariuc Mar 30 '17 at 19:40 ...
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Has Facebook sharer.php changed to no longer accept detailed parameters?

...echo 'Please <a href="' . $login_url . '">login.</a>'; error_log($e->getType()); error_log($e->getMessage()); } } else { // No user, so print a link for the user to login // To post to a user's wall, we need publish_stream permission ...
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Can you add new statements to Python's syntax?

...), n->n_col_offset, c->c_arena); } PyErr_Format(PyExc_SystemError, "wrong number of tokens for 'until' statement: %d", NCH(n)); return NULL; } Again, this was coded while closely looking at the equivalent ast_for_while_stmt, with the difference ...
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Why would you use an ivar?

I usually see this question asked the other way, such as Must every ivar be a property? (and I like bbum's answer to this Q). ...
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HTML5 Local Storage fallback solutions [closed]

...tracting away the tedious stuff. With enough research and time, you can usually figure out how to make it work, regardless of max-size. Of course, it looks like the author of that project decided it was too much... – William Jan 20 '16 at 23:43 ...